package com.chg.mymvc.filter;

import javax.servlet.*;
import java.io.IOException;

public class EncodingFilter implements Filter {
    private String encoding="utf-8";
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        String encoding = filterConfig.getInitParameter("encoding");
        if(encoding!=null){
            this.encoding=encoding;
        }
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
//        servletRequest.setCharacterEncoding("utf-8");
//        servletResponse.setCharacterEncoding("utf-8");
        filterChain.doFilter(servletRequest, servletResponse);
    }

    @Override
    public void destroy() {

    }
}
